enforce depr any/all with dt64 in groupby

Author: natmokval

pandas/core/arrays/datetimelike.py

@@ -1665,12 +1665,7 @@ def _groupby_op(
                 raise TypeError(f"datetime64 type does not support {how} operations")
             if how in ["any", "all"]:
                 # GH#34479
-                warnings.warn(
-                    f"'{how}' with datetime64 dtypes is deprecated and will raise in a "
-                    f"future version. Use (obj != pd.Timestamp(0)).{how}() instead.",
-                    FutureWarning,
-                    stacklevel=find_stack_level(),
-                )
+                raise TypeError(f"'{how}' with datetime64 dtypes is not supported")
 
         elif isinstance(dtype, PeriodDtype):
             # Adding/multiplying Periods is not valid

pandas/tests/extension/test_datetime.py

@@ -104,10 +104,8 @@ def _supports_reduction(self, obj, op_name: str) -> bool:
     @pytest.mark.parametrize("skipna", [True, False])
     def test_reduce_series_boolean(self, data, all_boolean_reductions, skipna):
         meth = all_boolean_reductions
-        msg = f"'{meth}' with datetime64 dtypes is deprecated and will raise in"
-        with tm.assert_produces_warning(
-            FutureWarning, match=msg, check_stacklevel=False
-        ):
+        msg = f"'{meth}' with datetime64 dtypes is not supported"
+        with pytest.raises(TypeError, match=msg):
             super().test_reduce_series_boolean(data, all_boolean_reductions, skipna)
 
     def test_series_constructor(self, data):

pandas/tests/groupby/test_raises.py

@@ -241,8 +241,8 @@ def test_groupby_raises_datetime(
             return
 
     klass, msg = {
-        "all": (None, ""),
-        "any": (None, ""),
+        "all": (TypeError, "'all' with datetime64 dtypes is not supported"),
+        "any": (TypeError, "'any' with datetime64 dtypes is not supported"),
         "bfill": (None, ""),
         "corrwith": (TypeError, "cannot perform __mul__ with this index type"),
         "count": (None, ""),
@@ -285,9 +285,7 @@ def test_groupby_raises_datetime(
         "var": (TypeError, "datetime64 type does not support var operations"),
     }[groupby_func]
 
-    if groupby_func in ["any", "all"]:
-        warn_msg = f"'{groupby_func}' with datetime64 dtypes is deprecated"
-    elif groupby_func == "fillna":
+    if groupby_func == "fillna":
         kind = "Series" if groupby_series else "DataFrame"
         warn_msg = f"{kind}GroupBy.fillna is deprecated"
     else: